Learn
QUESTION
Q
A ship consists of 500 rooms — 200 AC rooms & 300 non AC rooms. In how many ways 500 families can be...
Solution
Of the 500 families, 50 families must be accomidate in AC rooms and 100 families must be accomidated in non AC rooms.
Remaining families = 500 − (100 + 50) = 350
Remaining AC rooms =...
Register & Unlock access to Prep for free
Solution
.hez-title-solution{display: none;}
Keynote
nCr = nCn−r
0
Permutations & Combinations questions available for your Free Practice
0
Quantitative Ability questions available for your Free Practice
Practice
0
questions for Free
